body {
    background: #fff;
}

.container {
    position: relative;
    max-width: 600px;
    height: 600px;
    margin: auto;
    text-align: center;
    background-color: #efeff4;
    border-radius: 5px;

}

section {
    font-size: 16px;
    clear: both;
    padding: 10px;
}

.msg-list section {
    margin: 5px auto;
}

.system {
    font-size: 12px;
    color: #999;

}

.msg-list .receive {
    float: left;
    text-align: left;
}

.msg-list .receive-me {
    float: right;
    text-align: right;
}

.msg-list .receive-me > span {
    max-width: 270px;
    color: #f60;
    height: 26px;
    overflow: hidden;
    float: right;
}
.msg-list{
    box-sizing: border-box;
    overflow-y: auto;
    height: 484px;
}
.receive-me > div {
    max-width: 225px;
    position: relative;
    display: inline-block;
    padding: 8px;
    margin: 0 10px 0 12px;
    text-align: left;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    color: #fff;
    box-shadow: inset 0 0 1px #007aff;
    background-color: #007aff;
    vertical-align: top;
    word-break: break-all;
}

.receive-me > div:before {
    content: "";
    position: absolute;
    right: -5px;
    top: 4px;
    width: 0;
    height: 0;
    border-top: solid transparent;
    border-left: 7px solid #007aff;
    border-bottom: 4px solid transparent;
}

.receive > span {
    color: #999;
}

.receive > div {
    max-width: 225px;
    position: relative;
    display: inline-block;
    padding: 8px;
    margin: 0 10px 0 12px;
    text-align: left;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    vertical-align: top;
    -webkit-box-shadow: inset 0 0 1px #ffffff;
    -moz-box-shadow: inset 0 0 1px #ffffff;
    box-shadow: inset 0 0 1px #ffffff;
    background-color: #fff;
    word-break: break-all;
}

.receive > div:before {
    content: '';
    position: absolute;
    left: -5px;
    top: 4px;
    width: 0;
    height: 0;
    border-top: solid transparent;
    border-right: 7px solid #fff;
    border-bottom: 4px solid transparent;
}

.input input {
    margin: 0;
    float: left;

    padding: 0 6px;
    height: 28px;
    width: 93%;
    font-size: 14px;
    background-color: #fbfbfb;
    border:none;
    border-radius: 15px;
    color:#000;
    box-shadow: 0 0 1px #000;
}
*:focus {
    outline:none;
}
.ctrl{
    margin: 0;
    background-color:#fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -moz-box;
    position: absolute;
    bottom: 0;
    padding:8px 0px;
    width:100%;
    box-shadow: 0 0 1px #000;
    backgroud-color:#fff;
    height: 100px;

}
.ctrl .input{
    width:60%;
    margin-left: 10px;
}
.ctrl .action button{
    border:none;
    color:#8c8c8c;

    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    border-radius: 30px;
    height:28px;
    width:68px;
    background-color: #fbfbfb;
    box-shadow: 0 0 1px #000, 0 2px 2px #eee;

}


/*tab*/

.co-tab {
    line-height: 2rem;
}

.co-tabs .co-tab.active span {
    color: #00bbee;
}

.co-tabs .co-tab:last-child:after {
    content: '';
    display: none;
}

.co-tab span {
    display: inline-block;
    height: 100%;
    box-sizing: border-box;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
}

.co-tab.active span {
    border-bottom: 2px solid #00bbee;
}